BGS mineralogy and petrology collection record

Sample number S23700
Sample Donor Anderson, E.M.
Rock name 'Original entry: Altered Acid Porphyrite Ao Plagiophyre (Fp)'
Stratigraphy Not entered
Comments Altered acid porphyrite ao plagiophyre (fP), NNE dyke of L.O.R.S. age
Locality details Greenock Water, 0.5 miles N by E of Greenock Mains
50k map sheet Sanquhar (15)

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Map reference NS 634 281
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


S23700

Cross Polarized, S23700

Plane Polarized, S23700

Plane Polarized, S23700